Home / 49,785.60-68,702.88-27,429.12

Finding the Fourth Proportional to 49,785.60, 68,702.88 and 27,429.12

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Solution

The fourth proportional to 49,785.60, 68,702.88 and 27,429.12 is: 37,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.60 : 68,702.88 = 27,429.12 : x
  2. Step 2: Convert to fraction form
    49,785.60/68,702.88 = 27,429.12/x
  3. Step 3: Cross multiply
    49,785.60x = 68,702.88 × 27,429.12
  4. Step 4: Simplify right side
    49,785.60x = 1,884,459,539.87
  5. Step 5: Solve for x
    x = 1,884,459,539.87/49,785.60
  6. Step 6: Final answer
    x = 37,851.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.